82151240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{683}}^1$

素因数の和:822

約数の個数: 64

約数和(自身を含む): 193052160

約数和(自身を除く): 110900920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 97, 124, 155, 194, 248, 310, 388, 485, 620, 683, 776, 970, 1240, 1366, 1940, 2732, 3007, 3415, 3880, 5464, 6014, 6830, 12028, 13660, 15035, 21173, 24056, 27320, 30070, 42346, 60140, 66251, 84692, 105865, 120280, 132502, 169384, 211730, 265004, 331255, 423460, 530008, 662510, 846920, 1325020, 2053781, 2650040, 4107562, 8215124, 10268905, 16430248, 20537810, 41075620, 82151240]

約数ペア:

[(1, 82151240), (2, 41075620), (4, 20537810), (5, 16430248), (8, 10268905), (10, 8215124), (20, 4107562), (31, 2650040), (40, 2053781), (62, 1325020), (97, 846920), (124, 662510), (155, 530008), (194, 423460), (248, 331255), (310, 265004), (388, 211730), (485, 169384), (620, 132502), (683, 120280), (776, 105865), (970, 84692), (1240, 66251), (1366, 60140), (1940, 42346), (2732, 30070), (3007, 27320), (3415, 24056), (3880, 21173), (5464, 15035), (6014, 13660), (6830, 12028)]